CN100594304C - Forced heat dissipation structure of the motor - Google Patents
Forced heat dissipation structure of the motor Download PDFInfo
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- CN100594304C CN100594304C CN200510077808A CN200510077808A CN100594304C CN 100594304 C CN100594304 C CN 100594304C CN 200510077808 A CN200510077808 A CN 200510077808A CN 200510077808 A CN200510077808 A CN 200510077808A CN 100594304 C CN100594304 C CN 100594304C
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- motor
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- heat radiation
- radiation structure
- wheel hub
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- 230000017525 heat dissipation Effects 0.000 title abstract description 5
- 125000006850 spacer group Chemical group 0.000 claims abstract description 19
- 230000005855 radiation Effects 0.000 claims description 41
- 241000883990 Flabellum Species 0.000 claims description 23
- 238000009825 accumulation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
本发明公开一种马达的强制散热结构，包括一定子座以及一转子，转子相对于定子座旋转。转子包括一转子外壳以及一轮毂。转子外壳具有一侧部与底部，且转子外壳的底部具有至少一透孔。轮毂套接于转子外壳外，用以避免异物进入透孔之中。其中轮毂具有多个间隔肋，且当轮毂套接于转子外壳外时，每相邻二间隔肋以及转子外壳的侧部之间形成一散热流道。当转子旋转时，转子中的热空气会穿过此些透孔并经由多个散热流道而排出转子外壳之外。
The present invention discloses a forced heat dissipation structure of a motor, comprising a stator seat and a rotor, wherein the rotor rotates relative to the stator seat. The rotor comprises a rotor housing and a hub. The rotor housing has a side and a bottom, and the bottom of the rotor housing has at least one through hole. The hub is sleeved on the outside of the rotor housing to prevent foreign matter from entering the through hole. The hub has a plurality of spacer ribs, and when the hub is sleeved on the outside of the rotor housing, a heat dissipation channel is formed between each two adjacent spacer ribs and the side of the rotor housing. When the rotor rotates, the hot air in the rotor will pass through these through holes and be discharged outside the rotor housing through the plurality of heat dissipation channels.
Description
Technical field
The present invention relates to a kind of forced heat radiation structure of motor, particularly relate to the forced heat radiation structure of a kind of motor that can be applied to fan.
Background technique
The application category of motor is very wide, fan promptly is an example, usually be used to be used as the driving component of heat radiation, again because the difference of its application area, fan motor can be divided into two kinds of centrifugal and axial flow, even so, these two kinds of fan motors all are to utilize motor to drive the flabellum rotation basically, to reach the effect that makes heat dissipation on one's own initiative.
Please refer to Figure 1A, what it illustrated is the schematic perspective view of existing a kind of centrifugal fan.Existing centrifugal fan 10a drives a rotor 12a with a motor (not shown), and the flabellum 14a of centrifugal fan 10a then is connected on the rotor 12a, when rotor 12a rotates, can drive flabellum 14a rotation simultaneously, makes air flows, reaches the purpose of heat radiation.Please refer to Figure 1B, what it illustrated is the schematic perspective view of existing a kind of axial flow fan.Similar to Figure 1A, in Figure 1B, existing axial flow fan 10b drives a rotor 12b with a motor (not shown), also can drive flabellum 14b rotation during rotor 12b rotation, make air flows and reach the purpose of active heat removal, further, the design of the fan frame 16 of axial flow fan 10b in the collocation, can make air current flow more concentrated, make radiating effect better.
But, above-mentioned existing fan in the running, internal rotor is because high speed rotating, can cause some heats to produce unavoidably, if accumulate in the rotor can't dissipation for these heats, it is oversize to operate the time because of fan, and make the overheated and fault of motor, reduce the working life of fan.
Therefore, when prior art is desired to address the above problem, developed a kind of solution.Please be simultaneously with reference to Fig. 1 C and Fig. 1 D, what Fig. 1 C illustrated is the schematic perspective view of existing another kind of centrifugal fan, is the schematic perspective view that has another kind of axial flow fan now and Fig. 1 D illustrates.In Fig. 1 C, existing centrifugal fan 10c drives rotor 12c rotation by a motor (not shown), flabellum 14c also reaches the purpose of heat radiation thereupon rotating simultaneously, wherein, have a plurality of perforation 18c on the rotor 12c, when rotor 12c rotated, the hot air among the rotor 12c can disengage by a plurality of perforation 18c, make heat be unlikely to accumulate in the rotor 12c, and cause motor so fault; In like manner, in Fig. 1 D, axial flow fan 10d drives a rotor 12d with a motor (not shown), and also have a plurality of perforation 18d on the rotor 12d, driving flabellum 14d when rotor 12d rotates rotates in fan frame 16d, make heat to disengage, make heat be unlikely to accumulate in the rotor 12d by perforation 15d.
Yet, though the above-mentioned existing practice can can't be avoided in addition dissipation of the heat in the motor rotor foreign material to see through perforation and enter in the rotor.When the running of this type of fan, some trickle dusts, granule or aqueous vapor etc. will enter within the rotor from perforation easily, so, may cause the rotating shaft of motor blocked and stuck by foreign matter, or make motor failure.
Summary of the invention
Therefore, for addressing the above problem, the present invention proposes a kind of forced heat radiation structure of motor, the efficient of temperature in the time of can reducing motor running effectively and raising motor running.
The present invention also proposes a kind of forced heat radiation structure of motor, can make the internal rotor in the fan motor can carry out the pump circulation convection current, the torrid zone of internal rotor is gone out, avoid regional area to produce heat accumulation and cause the life-span of fan motor to shorten, have more simultaneously and prevent that foreign matter from entering the effect among the rotor.
According to purpose of the present invention, a kind of forced heat radiation structure of motor is proposed, comprise a stator seat and a rotor, rotor rotates with respect to stator seat.Rotor comprises a rotor case, and a wheel hub.Rotor case has a sidepiece and bottom, and the bottom of rotor case has at least one open-work.Wheel hub is socketed on outside the rotor case, enters among the open-work in order to avoid foreign matter.Wherein wheel hub has a plurality of spacer ribs, and outside wheel hub is socketed on rotor case the time, forms a heat radiation runner between the sidepiece of every adjacent two spacer ribs and rotor case.When rotor rotated, the hot air in the rotor can pass these a little open-works and discharge outside the rotor case via a plurality of heat radiation runners.
Wheel hub has an inner surface and an inner bottom surface, and spacer ribs lays respectively on the inner surface of wheel hub.Wheel hub has more an auxiliary stator blade portion, be positioned on the inner bottom surface of wheel hub, and an end of every spacer ribs is connected with auxiliary stator blade portion.Auxiliary stator blade portion is made up of a plurality of stators, and is radial distribution.Spacer ribs, stator and wheel hub are one-body molded, and wheel hub and rotor case become one cylindric respectively.
The forced heat radiation structure of above-mentioned motor is applied in the fan, and wherein the forced heat radiation structure of motor further comprises a plurality of flabellums that are connected in wheel hub, and when rotor rotated, flabellum is rotation thereupon also.Flabellum is centrifugal flabellum or axial flow flabellum.In addition, the forced heat radiation structure of motor more comprises a fan frame, in order to surround flabellum.
Said motor is a direct current motor.
For above and other objects of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below:
Description of drawings
Figure 1A is the schematic perspective view of existing a kind of centrifugal fan;
Figure 1B is the schematic perspective view of existing a kind of axial flow fan;
Fig. 1 C is the schematic perspective view of existing another kind of centrifugal fan;
Fig. 1 D is the schematic perspective view of existing another kind of axial flow fan;
Fig. 2 A is the sectional view that the forced heat radiation structure of a kind of motor of preferred embodiment of the present invention is applied to a fan;
Fig. 2 B is the schematic perspective view of the rotor of Fig. 2 A;
Fig. 2 C is the decomposing schematic representation of Fig. 2 B;
Fig. 2 D is the schematic representation at another visual angle of Fig. 2 C;
Fig. 3 is the worm's eye view of wheel hub among Fig. 2 D.
Embodiment
Please be simultaneously with reference to Fig. 2 A and Fig. 2 B, Fig. 2 A illustrates is the sectional view that the forced heat radiation structure of a kind of motor of preferred embodiment of the present invention is applied to a fan, is the schematic perspective view of the rotor of Fig. 2 A and Fig. 2 B illustrates.In Fig. 2 A, be example with an axial flow fan 20, and used the forced heat radiation structure 21 of a kind of motor of preferred embodiment of the present invention in the axial flow fan 20, and axial flow fan 20 more comprises a fan frame 26.The forced heat radiation structure 21 of motor comprises a stator seat 23 and a rotor 22, all is contained in the fan frame 26.Rotor 22 utilizes a rotating shaft 29 that is connected in rotor 22 inside to rotate, and is able to respect to stator seat 23 rotations.Rotor 22 comprises a wheel hub 25 and a rotor case 27, and the periphery of wheel hub 25 is connected with a plurality of axial flow flabellums 24, and when rotor 22 rotations, flabellum 24 is rotation thereupon also.
For being described in more detail the structure of rotor 22, please be simultaneously with reference to Fig. 2 C and Fig. 2 D, what Fig. 2 C illustrated is the decomposing schematic representation of Fig. 2 B, is the schematic representation at another visual angle of Fig. 2 C and Fig. 2 D illustrates.Wheel hub 25 has an inner surface 251 and an inner bottom surface 252, to form a cylinder-like structure, similarly, rotor case 27 has a sidepiece 271 and a bottom 272, to form the cylinder-like structure that another corresponds to wheel hub 25 sizes, make wheel hub 25 be socketed on outside the rotor case 27.
Have at least one open-work 28 on the bottom 272 of rotor case 27, and wheel hub 25 have a plurality of spacer ribs 254, lays respectively on the inner surface 251 of wheel hub 25.In the time of outside wheel hub 25 is socketed on rotor case 27, spacer ribs 254 directly contacts with the sidepiece 271 of rotor case 27, and forms a heat radiation runner between the sidepiece 271 of every adjacent two spacer ribs 254 and rotor case 27.When rotor 22 rotations, the hot air that is positioned at rotor 22 inside can pass these a little open-works 28 of rotor case 27 and be expelled to rotor case 27 outsides via every adjacent two spacer ribs, 254 formed heat radiation runners, avoids internal rotor to shorten because of heat accumulation causes the life-span of fan motor.In addition,, directly be socketed on outside the rotor case 27, can avoid foreign matter to enter to rotor 22 inside by open-work 28 because wheel hub 25 adopts full screen type.
In addition, please be simultaneously with reference to Fig. 2 D and Fig. 3, what Fig. 3 illustrated is the worm's eye view of wheel hub among Fig. 2 D.Wheel hub 25 more can have an auxiliary stator blade portion, is positioned on the inner bottom surface 252 of wheel hub 25.Auxiliary stator blade portion is made up of a plurality of stators 256, and is radial distribution.And an end of each spacer ribs 254 is connected with auxiliary stator blade portion respectively, can guide air in auxiliary stator blade portion and directly enter heat radiation runner between per two spacer ribs 254.Moreover spacer ribs 254, stator 256 can be arranged at inner surface 251, the inner bottom surface 252 of wheel hub 25 in addition, or with wheel hub 25 one-body molded making.
When rotor under high speed rotating, as stator 256 meetings as a flabellum that rotates of radial distribution, form a subnormal ambient, make the hot air of rotor case 27 inside can pass the auxiliary stator blade portion place that open-work 28 arrives the inner bottom surface 252 that is positioned at wheel hub 25, the centrifugal force that stator 256 is produced under high speed rotating in the collocation causes the hot air of rotor case 27 inside to be discharged by the heat radiation runner apace.Then, cooled air can enter rotor 22 inside again, makes that the internal rotor in the fan motor can constantly carry out the pump circulation convection current, and the heat of internal rotor is constantly taken out of, produces heat accumulation to avoid regional area.
Embodiments of the invention are example with a kind of axial flow fan motor, and design makes the internal rotor in the fan motor can carry out the pump circulation convection current, and the torrid zone of internal rotor is gone out, and avoid regional area to produce heat accumulation and cause the life-span of fan motor to shorten.Moreover, can prevent that foreign matter from entering among the rotor owing to adopt the hub design of full screen type.Yet the present invention is not restricted to this, technology of the present invention can be applied among the centrifugal fan motor (not shown) equally, make the rotor of centrifugal fan motor also can have described technical characteristics as above-mentioned embodiment, What is more, can be in the design of the outside of axial flow fan motor collocation fan frame, can make air current flow more concentrated, the radiating efficiency that makes the axial flow fan motor with raising, make the value of the industry of having more; In addition, the present invention also need not limit among the motor that is applied to fan, such as any type of motor, all can use the forced heat radiation structure described in the embodiment of the invention, thus, all can make motor with forced heat radiation and prolong the effect of motor life, mode of execution all as identical as described in the embodiments of the invention, does not repeat them here.
Though disclosed the present invention in conjunction with an above preferred embodiment; yet it is not in order to limiting the present invention, anyly is familiar with this operator, without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention should be with being as the criterion that claim was defined.
Claims (13)
1. the forced heat radiation structure of a motor comprises a stator seat and a rotor, and this rotor is with respect to this stator seat rotation, and wherein this rotor comprises:
One rotor case has a sidepiece and bottom, and the bottom of this rotor case has at least one open-work; And
One wheel hub is socketed on outside this rotor case, enters among those open-works in order to avoid foreign matter;
Wherein this wheel hub has a plurality of spacer ribs, and outside this wheel hub is socketed on this rotor case the time, forms a heat radiation runner between the sidepiece of every adjacent two spacer ribs and this rotor case.
2. the forced heat radiation structure of motor as claimed in claim 1, wherein when this rotor rotation, the hot air in this rotor can pass those open-works and via those heat radiation runners and discharge outside this rotor case.
3. the forced heat radiation structure of motor as claimed in claim 2, wherein this wheel hub also has an inner surface and an inner bottom surface, and those spacer ribs lay respectively on this inner surface of this wheel hub.
4. as the forced heat radiation structure of claim 1 or 3 described motors, wherein those spacer ribs and this wheel hub are one-body molded.
5. the forced heat radiation structure of motor as claimed in claim 3, wherein this wheel hub also has an auxiliary stator blade portion, be positioned on this inner bottom surface of this wheel hub, and a end that should its corresponding those spacer ribs of auxiliary stator blade portion connects.
6. the forced heat radiation structure of motor as claimed in claim 5 wherein should auxiliary stator blade portion be made up of a plurality of stators, and those stators is radial distribution.
7. the forced heat radiation structure of motor as claimed in claim 6, wherein those stators and this wheel hub are one-body molded.
8. the forced heat radiation structure of motor as claimed in claim 1, wherein this wheel hub and this rotor case are one cylindric respectively.
9. the forced heat radiation structure of motor as claimed in claim 1, wherein this motor is a direct current motor.
10. the forced heat radiation structure of motor as claimed in claim 1, it is applied in the fan, and wherein the forced heat radiation structure of this motor further comprises a plurality of flabellums, and those flabellums are connected in this wheel hub, and when this rotor rotation, those flabellums are rotation thereupon also.
11. the forced heat radiation structure of motor as claimed in claim 10, wherein those flabellums are centrifugal flabellum.
12. the forced heat radiation structure of motor as claimed in claim 10, wherein those flabellums are the axial flow flabellum.
13. the forced heat radiation structure of motor as claimed in claim 10, wherein the forced heat radiation structure of this motor more comprises a fan frame, in order to surround those flabellums.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510077808A CN100594304C (en) | 2005-06-09 | 2005-06-09 | Forced heat dissipation structure of the motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510077808A CN100594304C (en) | 2005-06-09 | 2005-06-09 | Forced heat dissipation structure of the motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1877135A CN1877135A (en) | 2006-12-13 |
| CN100594304C true CN100594304C (en) | 2010-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510077808A Active CN100594304C (en) | 2005-06-09 | 2005-06-09 | Forced heat dissipation structure of the motor |
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| Country | Link |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343740B (en) * | 2013-08-07 | 2016-12-28 | 台达电子工业股份有限公司 | fan |
| CN118399644B (en) * | 2024-04-07 | 2024-11-08 | 北京航空航天大学 | Ducted fan motor heat dissipation method based on jet impact |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2181123Y (en) * | 1993-11-30 | 1994-10-26 | 钟宗勇 | Motor Cooling Device |
| CN1130446A (en) * | 1993-12-15 | 1996-09-04 | 西门子公司 | Driving unit |
| CN2504417Y (en) * | 2001-04-27 | 2002-08-07 | 台达电子工业股份有限公司 | Self-cooling fan |
| CN2514493Y (en) * | 2001-11-16 | 2002-10-02 | 三匠科技股份有限公司 | Cooling fan with self-cooling effect |
| JP2002345188A (en) * | 2001-05-14 | 2002-11-29 | Nissan Motor Co Ltd | Dynamo-electric rotating machine |
| CN2572083Y (en) * | 2002-09-13 | 2003-09-10 | 众程科技股份有限公司 | Improved motor fan cooling device |
| US20040075356A1 (en) * | 2002-10-16 | 2004-04-22 | Sunonwealth Electric Machine Industry Co., Ltd. | Fan rotor |
| US20040164628A1 (en) * | 2003-02-25 | 2004-08-26 | Makoto Serizawa | Magneto generator |
-
2005
- 2005-06-09 CN CN200510077808A patent/CN100594304C/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2181123Y (en) * | 1993-11-30 | 1994-10-26 | 钟宗勇 | Motor Cooling Device |
| CN1130446A (en) * | 1993-12-15 | 1996-09-04 | 西门子公司 | Driving unit |
| CN2504417Y (en) * | 2001-04-27 | 2002-08-07 | 台达电子工业股份有限公司 | Self-cooling fan |
| JP2002345188A (en) * | 2001-05-14 | 2002-11-29 | Nissan Motor Co Ltd | Dynamo-electric rotating machine |
| CN2514493Y (en) * | 2001-11-16 | 2002-10-02 | 三匠科技股份有限公司 | Cooling fan with self-cooling effect |
| CN2572083Y (en) * | 2002-09-13 | 2003-09-10 | 众程科技股份有限公司 | Improved motor fan cooling device |
| US20040075356A1 (en) * | 2002-10-16 | 2004-04-22 | Sunonwealth Electric Machine Industry Co., Ltd. | Fan rotor |
| US20040164628A1 (en) * | 2003-02-25 | 2004-08-26 | Makoto Serizawa | Magneto generator |
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| Publication number | Publication date |
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| CN1877135A (en) | 2006-12-13 |
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